Organic solvent purification method and purification system
US-12357984-B2 · Jul 15, 2025 · US
with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D207/263 |
| Official title | with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms |
| Display label | with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms |
| Total patents | 59 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 9 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Synthesis of N-vinyl compounds by reacting NH-compounds with acetylene in presence of homogeneous phosphine catalyst
US-12172958-B2 · Dec 24, 2024 · US
Conformationally-constrained inhibitors of 3c or 3c-like proteases
US-2024307419-A1 · Sep 19, 2024 · US
Synthesis of n-vinyl compounds by reacting nh-compounds with acetylene in presence of homogeneous phosphine catalyst
US-2024270690-A1 · Aug 15, 2024 · US
Tead inhibitors
US-2024246908-A1 · Jul 25, 2024 · US
Neprilysin inhibitors
US-12016835-B2 · Jun 25, 2024 · US
Compositions and methods of modulating 15-pgdh activity
US-2024043443-A1 · Feb 8, 2024 · US
Heterocyclic NMDA antagonists
US-11834409-B2 · Dec 5, 2023 · US
Heterocyclic NMDA antagonists
US-11827601-B2 · Nov 28, 2023 · US
Neprilysin inhibitors
US-2023285340-A1 · Sep 14, 2023 · US
Water-soluble, modified amino acid derivatives for treatment of neurological diseases, and selected psychiatric disorders
US-2023192608-A1 · Jun 22, 2023 · US
Heterocyclic nmda antagonists
US-2023150934-A1 · May 18, 2023 · US
Heterocyclic nmda antagonists
US-2023134307-A1 · May 4, 2023 · US
Quaternary heteroatom containing compounds
US-2023098847-A1 · Mar 30, 2023 · US
Neprilysin inhibitors
US-11547687-B2 · Jan 10, 2023 · US
Heterocyclic nmda antagonists
US-2023002318-A1 · Jan 5, 2023 · US
Organic solvent purification method and purification system
US-2022371000-A1 · Nov 24, 2022 · US
Processes for preparing pyrrolidine compounds
US-11434201-B2 · Sep 6, 2022 · US
Quaternary heteroatom containing compounds
US-11390585-B2 · Jul 19, 2022 · US
Quaternary heteroatom containing compounds
US-2021155592-A1 · May 27, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D207/263?
- CPC C07D207/263 is the Cooperative Patent Classification code for “with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms.”
- How many patents are filed under CPC C07D207/263 (with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms)?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC C07D207/263 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).